How Come the Fairies Behind My Sword Have Become Yandere?

The book of hundreds of generations evolves, and every page is a new identity and a new life. At the beginning, Zhang Ruofu traveled through time and became the emperor, but was strangled by the palace maid and the powerful ministers ignored him. He can only pretend to be an immortal and seems to have no power. The only variable is this book of centuries. Each life is an opportunity to play. You only need to score the highest score to get the best reward. "Book of Hundreds of Worlds, let me see where your limits are!" Then the gears of fate began to turn. In his first life, he rescued a white snake in the snowy mountains and played tricks on the princes to help her become the Nine-Tailed Snake. As a result, she said she remembered my scent and would not let him go in three lives. In the second life, he helped the down-and-out princess defeat the Xuanwu Sect and become the empress. However, she said she would crush me to ashes and search for me through reincarnation. … After repeated simulations, Zhang Ruofu gained cultivation, regained power, and was about to revive Longwei in the hall. As a result, they all came one by one, staring at him. Didn't you agree on the Sims? Looking at the knife placed on his neck, Zhang Ruofu forced out a smile: "Is it possible to reconcile now?"